Sutton Tools Heavy Duty Cobalt jobber drills are industrial quality drilling materials that have high hardness and tensile strength such as cast iron, bronze, hardened steel & stainless steel. The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher cutting temperatures. Crafted with durability in mind, these cobalt drill bits are ideal for heavy-duty applications, promising longevity and reliability. Engineered to withstand demanding drilling conditions, each bit in this set is meticulously crafted to deliver consistent performance.
- Thick core for increased rigidity in hard materials.
- Made from HSS Cobalt
- 135° Split point enables accurate positioning and less drilling pressure
- 25-Piece set
- 1.0 – 13.0mm x 0.5mm rises